libs: update to jglobus-2.0.6-rc7.d

Changelog for v2.0.6-rc6.d..v2.0.6-rc7.d
    * [7e2d73d] Signal end-of-stream when remote sends a CLOSE notification
    * [d636727] Enable TLS 1.2 clients

Acked-by: Paul Millar
Target: master, 2.10, 2.9, 2.8, 2.7, 2.6
Require-book: no
Require-notes: no
(cherry picked from commit 7d5cb72264ca12d7629343299f145050ab05b902)
Signed-off-by: Tigran Mkrtchyan <tigran.mkrtchyan@desy.de>
Merge pull request #797 from kofemann/update-jg2-2.6

libs: update to jglobus-2.0.6-rc7.d